Stack In Data Structures Presentation

Introduction to Stack
A stack is a linear data structure that follows the Last-In-First-Out (LIFO) principle. It is a collection of elements, where the addition and removal of elements occur only at one end, called the top. The top element is the only element accessible at any given time.	Image Source
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Operations and Functions of Stack
Push operation adds an element to the top of the stack. Pop operation removes the top element from the stack. Peek operation returns the value of the top element without removing it.	Image Source
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Stack Implementation
Arrays can be used to implement a stack, where the top element is tracked using a variable. Linked lists can also be used for stack implementation, where each node stores the data and a reference to the next node. Stack operations can be performed efficiently in both array and linked list implementations.	Image Source
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Common Applications of Stack
Function call stack: Used by programming languages to keep track of function calls and their local variables. Expression evaluation: Infix, postfix, and prefix expressions can be evaluated using a stack. Undo/ Redo functionality: Stack data structure can be used to implement undo and redo operations.	Image Source
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Advantages of Using a Stack
Simple and easy to implement. Efficient for stack-specific operations like push, pop, and peek. Provides control over memory management with automatic deallocation of memory.	Image Source
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Limitations and Considerations
Limited size: Stack size is fixed and can cause overflow if exceeded. Lack of flexibility: Elements can only be accessed from the top, restricting other operations. Stack memory management: In some cases, manual memory management may be required.	Image Source
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Summary
A stack is a fundamental data structure that follows the LIFO principle. It supports push, pop, and peek operations for efficient element manipulation. Stack implementation can be done using arrays or linked lists with their respective advantages and considerations.	Image Source
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References (download PPTX file for details)
GeeksforGeeks. (2021). Stack Data Structure. ... Tutorials Point. (2021). Stack Data Structure... Khan Academy. (n.d.). Stack. Retrieved from h...
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